/// <summary>
/// Optionally reates a snapshot of the aggregate root
/// </summary>
/// <param name="aggregateRoot">Aggregate root instance to snapshot</param>
internal void CreateSnapshot(AggregateRoot aggregateRoot)
{
if (!(aggregateRoot is IAggregateRootWithSnapshot))
{
return;
}
var dynamicRoot = aggregateRoot.AsDynamic();
// Only create a snapshot of the root requires it
if (!dynamicRoot.ShouldCreateSnapshot())
{
return;
}
var snapshot = ((IAggregateRootWithSnapshot)aggregateRoot).CreateGenericSnapshot();
if (snapshot == null)
{
return;
}
// Dynamically invoke the SaveSnapshot<T> method of the snapshot store
_snapshotStore.InvokeGenericMethod("SaveSnapshot", ((IAggregateRootWithSnapshot)aggregateRoot).GetGenericType(), snapshot);
}
private Task TryMakeSnapshot(AggregateRoot aggregate)
{
if (!_snapshotStrategy.ShouldMakeSnapShot(aggregate))
{
return(Task.CompletedTask);
}
var snapshot = aggregate.AsDynamic().GetSnapshot();
snapshot.Version = aggregate.Version + aggregate.GetUncommittedChanges().Length;
return(_snapshotStore.Save(snapshot));
}
private void TryMakeSnapshot(AggregateRoot aggregate)
{
if (!_snapshotStrategy.ShouldMakeSnapShot(aggregate))
{
return;
}
var snapshot = aggregate.AsDynamic().GetSnapshot().RealObject;
snapshot.Version = aggregate.Version + aggregate.GetUncommittedChanges().Count();
_snapshotStore.Save(snapshot);
}
